Evaluation of Efficacy and Safety of Dapoxetine in Premature Ejaculation: A Placebo Controlled Study
Abstract
Premature Ejaculation (PE) is a common male sex problem and incidence wise it is much commoner than erectile dysfunction with incidence in some studies being greater than 30% [1, 2]. In spite of this it does not attain enough attention of research workers. Ejaculation time (ET) may vary, but patient usually seeks medical help when it consistently becomes short at every coitus and causes distress to the couple. American Urological Association (AUA) defines PE when it “occurs sooner than desire” and causes “distress to one or both partners” [3]. For clinical assessment quantification is essential and in this case is possible by measuring Intravaginal Ejaculation Latency Time (IELT).this calculated by time period between vaginal penetration of phallus and intravaginal ejaculation. A more categorical and working definition comes from the International Society for Sexual Medicine (ISSM) which states that PE is “ejaculation that occurs prior to or within 1 minute of vaginal penetration” [4]. In our study we have taken IELT of less than 1 minute as PE. Serotonin has been found to have an inhibitory action on seminal emission/ejaculation via action on brain, brainstem, raphe nuclei and reticular formation. These observation leads to several studies which show that selective serotonin reuptake inhibitor (SSRI) achieve significant increase in IELT [5].
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